package com.gzk.hrm.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableResourceServer;
import org.springframework.security.oauth2.config.annotation.web.configuration.ResourceServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configurers.ResourceServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.token.TokenStore;
import org.springframework.security.oauth2.provider.token.store.JwtAccessTokenConverter;
import org.springframework.security.oauth2.provider.token.store.JwtTokenStore;

//资源服务配置
@Configuration
@EnableResourceServer   //开启资源服务配置
@EnableGlobalMethodSecurity(prePostEnabled = true)  //开启方法授权
public class ResourceServerConfig extends ResourceServerConfigurerAdapter {

    //配置资源id ,跟AuthorizationServerConfig.configure配置的resourceIds一样
    public static final String RESOURCE_ID = "searchId";

    //设置JWT签名密钥。它可以是简单的MAC密钥，也可以是RSA密钥
    private final String sign_key  = "123";
    //资源服务器安全性配置
    @Override
    public void configure(ResourceServerSecurityConfigurer resources) throws Exception {
        //资源ID
        resources.resourceId(RESOURCE_ID)
                .tokenStore(tokenStore())
                //验证令牌的服务，令牌验证通过才允许获取资源
                //.tokenServices(resourceServerTokenServices())
                //无状态,仅在这些(RESOURCE_ID对应的资源)资源上使用允许使用token校验
                .stateless(true);
    }

    //修改JWT令牌,基于JWT的验证方案----------------------------
    @Bean
    public TokenStore tokenStore(){
        return new JwtTokenStore(jwtAccessTokenConverter());
    }

    //JWT令牌校验工具
    @Bean
    public JwtAccessTokenConverter jwtAccessTokenConverter(){
        JwtAccessTokenConverter jwtAccessTokenConverter = new JwtAccessTokenConverter();
        //设置JWT签名密钥。它可以是简单的MAC密钥，也可以是RSA密钥
        jwtAccessTokenConverter.setSigningKey(sign_key);
        return jwtAccessTokenConverter;
    }

    //SpringSecurity的相关配置
    @Override
    public void configure(HttpSecurity http) throws Exception {
        http.authorizeRequests()

                //校验scope必须为all ， 对应认证服务的客户端详情配置的clientId
                .antMatchers("/**").access("#oauth2.hasScope('hrm')")
                .antMatchers("/es/searchCourse","/swagger-ui.html").permitAll()
                //关闭跨域伪造检查
                .and().csrf().disable()
                //把session设置为无状态，意思是使用了token，那么session不再做数据的记录
                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS);
    }
}